To be more competitive, the U.S. Postal Service will cut its prices by as much as 58 percent on certain Priority Mail packages for retailers shipping at least 50,000 packages per year. Both UPS and FedEx believe the price cuts are an unfair way for the USPS to gain an edge in the e-commerce business. Amazon and USPS already have a partnership to deliver on Sundays, but the two organizations are teaming up again to test grocery deliveries in San Francisco. Continue reading U.S. Postal Service to Slash Prices for E-Commerce Retailers